Parts Catalog

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Welcome to Northern Auto Parts' automotive parts catalog, featuring a selection of high-quality auto parts and engine rebuild kits for almost every make and model. Specializing in engine kits and a vast array of components, our automotive catalog is your go-to source for all your project needs.

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  • HLY550-510-3PK EFI Polished Inline

    Holley

    Part #: 550-510-3PK

    HLY550-510-3PK EFI Polished Inline

    pdm:Accelerometer Support: No
    pdm:Boost Control: No
    pdm:Brand: Holley Sniper EFI
    pdm:CAN-BUS Support: Yes
    pdm:Category: Air and Fuel Delivery
    pdm:CFM: 800
    pdm:Coast Guard Approved: No
    pdm:Coil Per Cylinder Ignition Support: No
    pdm:Datalogging Support: Yes
    pdm:Distributor Included: No
    pdm:Distributor Included?: No
    pdm:Dry Nitrous Control: No
    pdm:e85 Support: No
    pdm:EGT Support: No
    pdm:Emission Code: 3
    pdm:Finish: Shiny
    pdm:Flange Style: 4150
    pdm:Forced Induction HP@60PSI: 575
    pdm:Forced Induction Support: Yes
    pdm:Fuel Filter Included: Yes
    pdm:Fuel Hose Included: Yes
    pdm:Fuel Injectors Included: Yes
    pdm:Fuel Pressure: 58.5 PSI
    pdm:Fuel Pressure Regulator Included: Yes
    pdm:Fuel Pump Flow Rating: 240 LPH
    pdm:Fuel Pump Included: Yes
    pdm:Fuel Pump Type: Inline
    pdm:Fuel System: Master Kit
    pdm:Grade Type: Performance
    pdm:Height: 3.28"
    pdm:HyperSpark Ignition Kit: No
    pdm:Ignition Timing Control: Yes
    pdm:Individual Cylinder Fuel Corrections: No
    pdm:Injector Size: 100 lb/hr @ 58.5 PSI
    pdm:Inlet / Outlet Size: 9/16-18 Female O-Ring (AN 6)
    pdm:Intake Manifold Included: No
    pdm:Knock Retard Support: No
    pdm:MAP Sensor: 2 Bar
    pdm:Max Horsepower Rating: 650 Naturally Aspirated
    pdm:Model: 4150 EFI Conversion Throttle Body
    pdm:Multi-Stage Nitrous Control: No
    pdm:Naturally Aspirated HP@60PSI: 650
    pdm:part type: Fuel Injection Conversion Kit
    pdm:Power Distribution Module: Yes
    pdm:Product Type: Sniper EFI
    pdm:Progressive Nitrous Control: No
    pdm:Self-Tuning: Yes
    pdm:Sub Category: Service Kits
    pdm:Throttle Position Sensor Included: Yes
    pdm:Traction Control Support: No
    pdm:Transmission: All
    pdm:User Interface: 3.5 in Handheld
    pdm:User-Tuneable: Yes
    pdm:Warning: California Proposition 65
    pdm:Warranty: Two Year Standard, Extended Via Product Registration
    pdm:Wet Nitrous Control: No
    pdm:line_code: HLY
    pdm:internal_sku: HLY550-510-3PK
    pdm:Color: Silver
    pdm:Maximum Injector Quantity Supported: 4
    $1,999.95
  • HLY550-510-3PK-SBC Sniper EFI Bundle

    Holley

    Part #: 550-510-3PK-SBC

    HLY550-510-3PK-SBC Sniper EFI Bundle

    pdm:Accelerometer Support: No
    pdm:Air Metering Style: Speed Density
    pdm:Boost Control: No
    pdm:Brand: Holley Sniper EFI
    pdm:CAN-BUS Support: Yes
    pdm:Category: Air and Fuel Delivery
    pdm:CFM: 800
    pdm:Coast Guard Approved: No
    pdm:Coil Per Cylinder Ignition Support: No
    pdm:Datalogging Support: Yes
    pdm:Distributor Included: Chevrolet Big/Small Block
    pdm:Distributor Included: Chevrolet Big Block, Chevrolet Small Block, Yes
    pdm:Dry Nitrous Control: No
    pdm:e85 Support: No
    pdm:EGT Support: No
    pdm:Emission Code: 3
    pdm:Finish: Shiny
    pdm:Flange Style: 4150
    pdm:Forced Induction HP@60PSI: 575
    pdm:Forced Induction Support: Yes
    pdm:Fuel Filter Included: Yes
    pdm:Fuel Hose Included: Yes
    pdm:Fuel Injectors Included: Yes
    pdm:Fuel Pressure: 58.5 PSI
    pdm:Fuel Pressure Regulator Included: Yes
    pdm:Fuel Pump Flow Rating: 240 LPH
    pdm:Fuel Pump Included: Yes
    pdm:Fuel Pump Type: Inline
    pdm:Fuel System: Master Kit
    pdm:Grade Type: Performance
    pdm:Height: 3.28"
    pdm:HyperSpark Ignition Kit: Chevrolet Big/Small Block
    pdm:Idle Air Control Motor Included: Yes
    pdm:Ignition Timing Control: Yes
    pdm:Individual Cylinder Fuel Corrections: No
    pdm:Injector Quantity: 4
    pdm:Injector Size: 100 lb/hr @ 58.5 PSI
    pdm:Inlet / Outlet Size: 9/16-18 Female O-Ring (AN 6)
    pdm:Intake Manifold Included: No
    pdm:Knock Retard Support: No
    pdm:MAP Sensor: 2 Bar
    pdm:Max Horsepower Rating: 650 Naturally Aspirated
    pdm:Maximum Injector Quantity Supported: 4
    pdm:Model: 4150 EFI Conversion Throttle Body
    pdm:Multi-Stage Nitrous Control: No
    pdm:Naturally Aspirated HP@60PSI: 650
    pdm:part type: Fuel Injection Conversion Kit
    pdm:PDM: Yes
    pdm:Power Distribution Module: Yes
    pdm:Product Type: Sniper EFI
    pdm:Progressive Nitrous Control: No
    pdm:Self-Tuning: Yes
    pdm:Throttle Body Air Flow Rate: 800 2L
    pdm:Throttle Body Material: Aluminum
    pdm:Throttle Position Sensor Included: Yes
    pdm:Traction Control Support: No
    pdm:Transmission: All
    pdm:User Interface: 3.5 in Handheld
    pdm:User-Tuneable: Yes
    pdm:Warning: California Proposition 65
    pdm:Warranty: Two Year Standard, Extended Via Product Registration
    pdm:Wet Nitrous Control: No
    pdm:line_code: HLY
    pdm:internal_sku: HLY550-510-3PK-SBC
    pdm:Color: Silver
    $2,599.95
  • HLY550-510-3PK-SBF Sniper EFI Bundle

    Holley

    Part #: 550-510-3PK-SBF

    HLY550-510-3PK-SBF Sniper EFI Bundle

    pdm:Accelerometer Support: No
    pdm:Air Metering Style: Speed Density
    pdm:Boost Control: No
    pdm:Brand: Holley Sniper EFI
    pdm:CAN-BUS Support: Yes
    pdm:Category: Air and Fuel Delivery
    pdm:CFM: 800
    pdm:Coast Guard Approved: No
    pdm:Coil Per Cylinder Ignition Support: No
    pdm:Datalogging Support: Yes
    pdm:Distributor Included: Ford Small Block
    pdm:Distributor Included: Ford Small Block, Yes
    pdm:Dry Nitrous Control: No
    pdm:e85 Support: No
    pdm:EGT Support: No
    pdm:Emission Code: 3
    pdm:Finish: Shiny
    pdm:Flange Style: 4150
    pdm:Forced Induction HP@60PSI: 575
    pdm:Forced Induction Support: Yes
    pdm:Fuel Filter Included: Yes
    pdm:Fuel Hose Included: Yes
    pdm:Fuel Injectors Included: Yes
    pdm:Fuel Pressure: 58.5 PSI
    pdm:Fuel Pressure Regulator Included: Yes
    pdm:Fuel Pump Flow Rating: 240 LPH
    pdm:Fuel Pump Included: Yes
    pdm:Fuel Pump Type: Inline
    pdm:Fuel System: Master Kit
    pdm:Grade Type: Performance
    pdm:Height: 3.28"
    pdm:HyperSpark Ignition Kit: Ford Small Block 260/289/302
    pdm:Idle Air Control Motor Included: Yes
    pdm:Ignition Timing Control: Yes
    pdm:Individual Cylinder Fuel Corrections: No
    pdm:Injector Quantity: 4
    pdm:Injector Size: 100 lb/hr @ 58.5 PSI
    pdm:Inlet / Outlet Size: 9/16-18 Female O-Ring (AN 6)
    pdm:Intake Manifold Included: No
    pdm:Knock Retard Support: No
    pdm:MAP Sensor: 2 Bar
    pdm:Max Horsepower Rating: 650 Naturally Aspirated
    pdm:Maximum Injector Quantity Supported: 4
    pdm:Model: 4150 EFI Conversion Throttle Body
    pdm:Multi-Stage Nitrous Control: No
    pdm:Naturally Aspirated HP@60PSI: 650
    pdm:part type: Fuel Injection Conversion Kit
    pdm:PDM: Yes
    pdm:Power Distribution Module: Yes
    pdm:Product Type: Sniper EFI
    pdm:Progressive Nitrous Control: No
    pdm:Self-Tuning: Yes
    pdm:Throttle Body Air Flow Rate: 800 2L
    pdm:Throttle Body Material: Aluminum
    pdm:Throttle Position Sensor Included: Yes
    pdm:Traction Control Support: No
    pdm:Transmission: All
    pdm:User Interface: 3.5 in Handheld
    pdm:User-Tuneable: Yes
    pdm:Warning: California Proposition 65
    pdm:Warranty: Two Year Standard, Extended Via Product Registration
    pdm:Wet Nitrous Control: No
    pdm:line_code: HLY
    pdm:internal_sku: HLY550-510-3PK-SBF
    pdm:Color: Silver
    $2,599.95
  • HLY550-510-3XK EFI Polished Inline

    Holley

    Part #: 550-510-3XK

    HLY550-510-3XK EFI Polished Inline

    pdm:Accelerometer Support: No
    pdm:Brand: Holley Sniper EFI
    pdm:CAN-BUS Support: Yes
    pdm:Category: Air and Fuel Delivery
    pdm:Datalogging Support: Yes
    pdm:Boost Control: No
    pdm:Air Metering Style: Speed Density
    pdm:Coil Per Cylinder Ignition Support: No
    pdm:Fuel Pressure Regulator Included: Yes
    pdm:Coast Guard Approved: No
    pdm:internal_sku: HLY550-510-3XK
    pdm:e85 Support: No
    pdm:Forced Induction HP@60PSI: 575
    pdm:Distributor Included: No
    pdm:Dry Nitrous Control: No
    pdm:User-Tuneable: Yes
    pdm:Fuel Filter Included: Yes
    pdm:CFM: 800
    pdm:EGT Support: No
    pdm:Fuel Pressure: 58.5 PSI
    pdm:Emission Code: 3
    pdm:Finish: Shiny
    pdm:Traction Control Support: No
    pdm:Wet Nitrous Control: No
    pdm:User Interface: 3.5 in Handheld
    pdm:Distributor Included?: No
    pdm:Forced Induction Support: Yes
    pdm:Flange Style: 4150
    pdm:line_code: HLY
    pdm:Fuel Injectors Included: Yes
    pdm:Fuel Hose Included: Yes
    pdm:Warranty: Two Year Standard, Extended Via Product Registration
    pdm:Warning: California Proposition 65
    pdm:Transmission: All
    pdm:Self-Tuning: Yes
    pdm:Naturally Aspirated HP@60PSI: 650
    pdm:Throttle Position Sensor Included: Yes
    pdm:part type: Fuel Injection Conversion Kit
    pdm:Fuel Pump Flow Rating: 240 LPH
    pdm:Product Type: Sniper EFI
    pdm:Sub Category: Service Kits
    pdm:Multi-Stage Nitrous Control: No
    pdm:Progressive Nitrous Control: No
    pdm:PDM: No
    pdm:Power Distribution Module: No
    pdm:Height: 3.28"
    pdm:Fuel Pump Included: Yes
    pdm:MAP Sensor: 2 Bar
    pdm:Grade Type: Performance
    pdm:Inlet / Outlet Size: 9/16-18 Female O-Ring (AN 6)
    pdm:Injector Size: 100 lb/hr @ 58.5 PSI
    pdm:Ignition Timing Control: Yes
    pdm:Knock Retard Support: No
    pdm:Fuel Pump Type: Yes
    pdm:Intake Manifold Included: No
    pdm:HyperSpark Ignition Kit: No
    pdm:Model: 4150 EFI Conversion Throttle Body
    pdm:Max Horsepower Rating: 650 Naturally Aspirated
    pdm:Individual Cylinder Fuel Corrections: No
    pdm:Fuel System: Master Kit
    pdm:Color: Silver
    pdm:Maximum Injector Quantity Supported: 4
    $1,899.95
  • HLY550-870K Stealth 4150 Master

    Holley

    Part #: 550-870K

    HLY550-870K Stealth 4150 Master

    pdm:Accelerometer Support: No
    pdm:Boost Control: No
    pdm:Brand: Holley Sniper EFI
    pdm:CAN-BUS Support: No
    pdm:Category: Air and Fuel Delivery
    pdm:CFM: 870
    pdm:Coil Per Cylinder Ignition Support: No
    pdm:Datalogging Support: Yes
    pdm:Distributor Included: No
    pdm:Dry Nitrous Control: Yes
    pdm:e85 Support: No
    pdm:EGT Support: No
    pdm:Emission Code: 3
    pdm:Finish: Shiny
    pdm:Flange Style: 4150
    pdm:Forced Induction Support: Yes
    pdm:Fuel Filter Included: Yes
    pdm:Fuel Hose Included: Yes
    pdm:Fuel Injectors Included: Yes
    pdm:Fuel Pressure: 58.5 PSI
    pdm:Fuel Pressure Regulator Included: Yes
    pdm:Fuel Pump Flow Rating: 240 LPH
    pdm:Fuel Pump Included: Yes
    pdm:Fuel Pump Type: Inline
    pdm:Grade Type: Performance
    pdm:Height: 3.28"
    pdm:Ignition Timing Control: Yes
    pdm:Individual Cylinder Fuel Corrections: No
    pdm:Injector Size: 100 lb/hr @ 58.5 PSI
    pdm:Inlet / Outlet Size: 3/4-16 Female O-Ring (AN 8)
    pdm:Intake Manifold Included: No
    pdm:Knock Retard Support: No
    pdm:MAP Sensor: 2 Bar
    pdm:Max Horsepower Rating: 650 Naturally Aspirated
    pdm:Model: 4150 EFI Conversion Throttle Body
    pdm:Multi-Stage Nitrous Control: Yes
    pdm:part type: Fuel Injection Conversion Kit
    pdm:Product Type: Sniper Stealth EFI 4150 Master Kit
    pdm:Progressive Nitrous Control: Yes
    pdm:Self-Tuning: Yes
    pdm:Sub Category: Service Kits
    pdm:Throttle Position Sensor Included: Yes
    pdm:Traction Control Support: No
    pdm:Transmission: 700R4/200R4, Ford C4/C6, TH350
    pdm:User-Tuneable: Yes
    pdm:Warning: California Proposition 65
    pdm:Wet Nitrous Control: Yes
    pdm:line_code: HLY
    pdm:internal_sku: HLY550-870K
    pdm:Color: Silver
    pdm:Maximum Injector Quantity Supported: 4
    pdm:Warranty: Manufacturer's Limited 90 Day Warranty
    $1,899.95

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40+ Years Experience


Northern Auto Parts has been providing auto parts for all makes and models for over 40 years. We have everything you need to keep your car, truck, or SUV running in peak condition. For engine builders, Northern Auto Parts is one of the best online sources for kits.

Trusted Source for Name-Brand Parts


Northern Auto Parts is recognized by many as the best online source for rebuild components. We carry a wide variety of name-brand components, so you can find the exact parts you need to repair or replace any part of your vehicle. From engine components to exterior parts, we have a vast selection to choose from.

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